/Engine/Plugins/MovieScene/MovieRenderPipeline/Source/MovieRenderPipelineCore/Public/MoviePipelineOutputBase.h
Called when a frame is ready for output. This will contain all passes the user has requested for the given output frame. It also contains metrics about the output frame (such as frame number).
void OnReceiveImageData ( [FMoviePipelineMergerOutputFrame](API\Plugins\MovieRenderPipelineCore\FMoviePipelineMergerOutputFrame) * InMergedOutputFrame )